Imagick::pingImageBlob

(PECL imagick 2.0.0)

Imagick::pingImageBlob — Quickly fetch attributes

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Imagick::pingImageBlob ( string $image ) : bool

This method can be used to query image width, height, size, and format without reading the whole image to memory. 锟剿凤拷锟斤拷锟斤拷Imagick锟斤拷锟斤拷ImageMagick 6.2.9锟斤拷锟较版本锟斤拷锟斤拷时锟斤拷锟矫★拷

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image

A string containing the image.

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Example #1 Using Imagick::pingImageBlob()

Pinging an image from a string

<?php
/* read image contents */
$image = file_get_contents("test.jpg");

/* create new imagick object */
$im = new Imagick();

/* pass the string to the imagick object */
$im->pingImageBlob($image);

/* output image width and height */
echo $im->getImageWidth() . 'x' . $im->getImageHeight();
?>

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